#pragma once

#include <iostream>
#include <fstream>
#include <string>
#include <unordered_map>
#include "Log.hpp"
#include "InetAddr.hpp"

using namespace LogModule;

const std::string defaultdict = "./dictionary.txt"; // 当前目录
const std::string sep = ": ";                       // apple: 苹果 :为分隔符

class Dict
{
public:
    Dict(const std::string &path = defaultdict) : _dict_path(path)
    {
    }
    bool LoadDict()
    {
        std::ifstream in(_dict_path);
        if (!in.is_open())
        {
            LOG(LogLevel::DEBUG) << "打开字典" << _dict_path << "失败";
            return false;
        }
        std::string line;
        while (std::getline(in, line))
        {
            auto pos = line.find(sep);
            if (pos == std::string::npos) // npos == -1, 表示没有找到
            {
                LOG(LogLevel::WARNING) << "解析: " << line << " 失败";
                continue; // 此时跳过，等待下次的查询
            }
            std::string english = line.substr(0, pos);
            std::string chinese = line.substr(pos + sep.size());
            if (english.empty() || chinese.empty())
            {
                LOG(LogLevel::WARNING) << "没有有效内容: " << line;
                continue;
            }
            _dict.insert(std::make_pair(english, chinese));
            LOG(LogLevel::DEBUG) << "加载: " << line;
        }
        in.close();
        return true;
    }

    std::string Translate(const std::string &word, InetAddr &client)
    {
        auto iter = _dict.find(word);
        if (iter == _dict.end()) // 如果没有找到会返回该字符串最后一位
        {
            LOG(LogLevel::DEBUG) << "进入到了翻译模块, [" << client.Ip() << " : " << client.Port() << "]# " << word << "->None";
            return "None";
        }
        LOG(LogLevel::DEBUG) << "进入到了翻译模块, [" << client.Ip() << " : " << client.Port() << "]# " << word << "->" << iter->second;
        return iter->second;
    }

private:
    std::string _dict_path;                             // 翻译文件// 路径+文件名
    std::unordered_map<std::string, std::string> _dict; // 哈希表
};